MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1b2dbf6aa0264052009067c102812bf5b7851b52c480056481445c0024a7946. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


AgentTesla


Vendor detections: 10


Intelligence 10 IOCs YARA 2 File information Comments
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SHA256 hash: b1b2dbf6aa0264052009067c102812bf5b7851b52c480056481445c0024a7946
SHA3-384 hash: 42a5dccfa35a3c3751f73a02ff87d8cf41fe3fa14ff84443d7e11099513ac385e39da80fc86e8ea5bed2d990512368b5
SHA1 hash: a1d71bd26b5492fc62e2c0966c50970394d0cc83
MD5 hash: de4e7cc84aabcee374aaadded9af58ef
humanhash: uniform-single-william-pennsylvania
File name:SecuriteInfo.com.W32.AIDetectNet.01.28002.3067
Download: download sample
Signature AgentTesla
Create hunting rule
File size:904'704 bytes
First seen:2022-07-05 03:42:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:rxtpF+9BZZqQO6BREr3NktSv8lXw+nyv7X4sq:rxtpF+9ZqoBi3NQTlg+nyDy
Threatray 19'216 similar samples on MalwareBazaar
TLSH T14D15E017A178DE51FA3D3FF6F40016684FAF2EA32525FA088E7571C50232B920F596A7
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon f08f080c0c088fb0 (14 x AgentTesla, 5 x GuLoader, 3 x AveMariaRAT)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
241
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.28002.3067.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62c3b38576fa5a5994436152/reports/a967015e-6aa1-4636-89a3-bb78a3593c8c/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Agent Tesla
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f91eea7d-99f2-475b-bc64-bc292ca3bfd9
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1024539
Signature
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 657034 Sample: SecuriteInfo.com.W32.AIDete... Startdate: 05/07/2022 Architecture: WINDOWS Score: 100 39 Malicious sample detected (through community Yara rule) 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 Yara detected AgentTesla 2->43 45 5 other signatures 2->45 7 SecuriteInfo.com.W32.AIDetectNet.01.28002.exe 7 2->7         started        process3 file4 25 C:\Users\user\AppData\Roaming\pObsWPF.exe, PE32 7->25 dropped 27 C:\Users\user\...\pObsWPF.exe:Zone.Identifier, ASCII 7->27 dropped 29 C:\Users\user\AppData\Local\...\tmp935B.tmp, XML 7->29 dropped 31 SecuriteInfo.com.W...et.01.28002.exe.log, ASCII 7->31 dropped 47 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->47 49 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->49 51 Uses schtasks.exe or at.exe to add and modify task schedules 7->51 53 Adds a directory exclusion to Windows Defender 7->53 11 SecuriteInfo.com.W32.AIDetectNet.01.28002.exe 6 7->11         started        15 powershell.exe 25 7->15         started        17 schtasks.exe 1 7->17         started        19 2 other processes 7->19 signatures5 process6 dnsIp7 33 smtp.yandex.ru 77.88.21.158, 49774, 49779, 587 YANDEXRU Russian Federation 11->33 35 192.168.2.1 unknown unknown 11->35 37 smtp.yandex.com 11->37 55 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->55 57 Tries to steal Mail credentials (via file / registry access) 11->57 59 Tries to harvest and steal ftp login credentials 11->59 61 2 other signatures 11->61 21 conhost.exe 15->21         started        23 conhost.exe 17->23         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b1b2dbf6aa0264052009067c102812bf5b7851b52c480056481445c0024a7946/
Threat name:
ByteCode-MSIL.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-07-05 03:43:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wgznx5vkajsakiajaz6bakasx5nxqunvfreaavsicrc4aaskpfda._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0289b5c2829170ad4bb04daedbd3db5e56474415aee109a91a66ba9fa8a7a179
AgentTesla
6cfbf205225e6ba71eb7f9d214e2d93d932946eb7ff5821f9027c589a4e2ae77
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88c6f818ac6c29d84d5bb7d8c9096a941c939cc8b27f5963d327276cd76be1f7
AgentTesla
8baeeee73a8db725469f13574a4b9a3c23aa5b3915b62d33b55454defedd7b06
AgentTesla
94ba7a7fa6062f91a963dec2f064bc9803a08dc513ca9e528000f6fe5d46c4d0
AgentTesla
9fa87d09a940bbc228fd02a5d41f562988e32d2c76a7f86437285b6e19d4513a
AgentTesla
a5484d4719b1e940afabc2e5cb433edd3578641b23548a8e078f6f8d02ac6db8
AgentTesla
a9aa59bed8eb3e4839b215c072549c359c3867b238e65c4bf98a5f274d2808bb
AgentTesla
de7bcd7ffa573ffb32e5523cdea0a0fa39bde98a4610f9e791720fa33bf7207a
AgentTesla
+ 19'206 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/220705-d9w5wafeh9/
Behaviour
Creates scheduled task(s)
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
95c9ca0779a00e42c536c18b4d60a029cd1758cb72adce155bbcae5cd81372eb
MD5 hash:
d13af64a85e4a3e13028a5796d692ad4
SHA1 hash:
c13bb766aa6e4c0666d6d04bc3f8085b1a14dfdf
Link:
https://www.unpac.me/results/dc9aa95e-274b-43f5-901a-d240703d19f3/
SH256 hash:
70bb4f8aa7d0a33f8206f78c845fa2bd686c2a0f2b3bd50cd0b6b887a45398ca
MD5 hash:
30d61a3a3e26c2bca2eb766990132d7c
SHA1 hash:
94f9742d5f21b13f7d8d194fe938193cbb6a0d4d
Link:
https://www.unpac.me/results/dc9aa95e-274b-43f5-901a-d240703d19f3/
SH256 hash:
3b59fe180dd50e3f3d4fdcbdd4e7a2d4e3e1c85ae43cb4f3716c4be41e9ec2ae
MD5 hash:
9ea556e333e216a65aa09c102f36004f
SHA1 hash:
814c07f1dc68bd61840384aac3aa8346d9f8148f
Link:
https://www.unpac.me/results/dc9aa95e-274b-43f5-901a-d240703d19f3/
SH256 hash:
3a2ef141d6ff98476a47000b2f4f5c747959a362602efdf3273be4dbff9ec0ef
MD5 hash:
17bd789e7822be46216f693cce66fd23
SHA1 hash:
4c2ab712894d1b6ee2e2e7800c39f9e6427cd62b
Link:
https://www.unpac.me/results/dc9aa95e-274b-43f5-901a-d240703d19f3/
SH256 hash:
de37f123c6e897a2eabf693c503a03924c785766e17c5ccf98e1787173fb4c4a
MD5 hash:
bfed903ab60a8f40803633c85e4f4c79
SHA1 hash:
098c4da2087c2a54ca73866bb5e73ce3e6cf1bc3
Link:
https://www.unpac.me/results/dc9aa95e-274b-43f5-901a-d240703d19f3/
SH256 hash:
b1b2dbf6aa0264052009067c102812bf5b7851b52c480056481445c0024a7946
MD5 hash:
de4e7cc84aabcee374aaadded9af58ef
SHA1 hash:
a1d71bd26b5492fc62e2c0966c50970394d0cc83
Link:
https://www.unpac.me/results/dc9aa95e-274b-43f5-901a-d240703d19f3/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b1b2dbf6aa02/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:pe_imphash
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Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

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